Author of New book on BB King/SF Transgender Film Fest/Nat Geo Author

Guests are Daniel de Vise author of new book "KING OF THE BLUES:The Rise and Reign of BB King." Second guest is Shawna Virago,Artistic Director for the SF Transgender Film Festival, the world’s first and longest-running transgender film festival and Editor-In-Chief Susan Goldberg from National Geographic, to discuss new book "The 21st Century: Photographs from the Image Collection."